Medical research

Inhalable powder could protect lungs against COVID-19, flu viruses

Researchers have developed an inhalable powder that could protect lungs and airways from viral invasion by reinforcing the body's own mucosal layer. The powder, called Spherical Hydrogel Inhalation for Enhanced Lung Defense, ...

Diseases, Conditions, Syndromes

WHO recommends masks indoors if ventilation poor

The World Health Organization on Wednesday recommended wearing facemasks when indoors with other people, if the ventilation has been deemed inadequate, in an update to its COVID-19 guidance on masks.

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